1 // SPDX-License-Identifier: GPL-2.0-only
2 // Based on sof_sdw_rt5682.c
3 // This file incorporates work covered by the following copyright notice:
4 // Copyright (c) 2023 Intel Corporation
5 // Copyright (c) 2024 Advanced Micro Devices, Inc.
6
7 /*
8 * soc_sdw_cs42l43 - Helpers to handle CS42L43 from generic machine driver
9 */
10 #include <linux/device.h>
11 #include <linux/errno.h>
12 #include <linux/input.h>
13 #include <sound/jack.h>
14 #include <linux/soundwire/sdw.h>
15 #include <linux/soundwire/sdw_type.h>
16 #include <sound/cs42l43.h>
17 #include <sound/control.h>
18 #include <sound/soc.h>
19 #include <sound/soc-acpi.h>
20 #include <sound/soc-dapm.h>
21 #include <sound/soc_sdw_utils.h>
22
23 static const struct snd_soc_dapm_route cs42l43_hs_map[] = {
24 { "Headphone", NULL, "cs42l43 AMP3_OUT" },
25 { "Headphone", NULL, "cs42l43 AMP4_OUT" },
26 { "cs42l43 ADC1_IN1_P", NULL, "Headset Mic" },
27 { "cs42l43 ADC1_IN1_N", NULL, "Headset Mic" },
28 };
29
30 static const struct snd_soc_dapm_route cs42l43_spk_map[] = {
31 { "Speaker", NULL, "cs42l43 AMP1_OUT_P", },
32 { "Speaker", NULL, "cs42l43 AMP1_OUT_N", },
33 { "Speaker", NULL, "cs42l43 AMP2_OUT_P", },
34 { "Speaker", NULL, "cs42l43 AMP2_OUT_N", },
35 };
36
37 static const struct snd_soc_dapm_route cs42l43_dmic_map[] = {
38 { "cs42l43 PDM1_DIN", NULL, "DMIC" },
39 { "cs42l43 PDM2_DIN", NULL, "DMIC" },
40 };
41
42 static struct snd_soc_jack_pin soc_jack_pins[] = {
43 {
44 .pin = "Headphone",
45 .mask = SND_JACK_HEADPHONE,
46 },
47 {
48 .pin = "Headset Mic",
49 .mask = SND_JACK_MICROPHONE,
50 },
51 };
52
53 int asoc_sdw_cs42l43_hs_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
54 {
55 struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;
56 struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(rtd->card);
57 struct snd_soc_jack *jack = &ctx->sdw_headset;
58 struct snd_soc_card *card = rtd->card;
59 int ret;
60
61 card->components = devm_kasprintf(card->dev, GFP_KERNEL, "%s hs:cs42l43",
62 card->components);
63 if (!card->components)
64 return -ENOMEM;
65
66 ret = snd_soc_dapm_add_routes(&card->dapm, cs42l43_hs_map,
67 ARRAY_SIZE(cs42l43_hs_map));
68 if (ret) {
69 dev_err(card->dev, "cs42l43 hs map addition failed: %d\n", ret);
70 return ret;
71 }
72
73 ret = snd_soc_card_jack_new_pins(card, "Jack",
74 SND_JACK_MECHANICAL | SND_JACK_AVOUT |
75 SND_JACK_HEADSET | SND_JACK_LINEOUT |
76 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
77 SND_JACK_BTN_2 | SND_JACK_BTN_3,
78 jack, soc_jack_pins,
79 ARRAY_SIZE(soc_jack_pins));
80 if (ret) {
81 dev_err(card->dev, "Failed to create jack: %d\n", ret);
82 return ret;
83 }
84
85 snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
86 snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
87 snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
88 snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
89
90 ret = snd_soc_component_set_jack(component, jack, NULL);
91 if (ret) {
92 dev_err(card->dev, "Failed to register jack: %d\n", ret);
93 return ret;
94 }
95
96 ret = snd_soc_component_set_sysclk(component, CS42L43_SYSCLK, CS42L43_SYSCLK_SDW,
97 0, SND_SOC_CLOCK_IN);
98 if (ret)
99 dev_err(card->dev, "Failed to set sysclk: %d\n", ret);
100
101 return ret;
102 }
103 EXPORT_SYMBOL_NS(asoc_sdw_cs42l43_hs_rtd_init, SND_SOC_SDW_UTILS);
104
105 int asoc_sdw_cs42l43_spk_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
106 {
107 struct snd_soc_card *card = rtd->card;
108 struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
109 int ret;
110
111 if (!(ctx->mc_quirk & SOC_SDW_SIDECAR_AMPS)) {
112 /* Will be set by the bridge code in this case */
113 card->components = devm_kasprintf(card->dev, GFP_KERNEL,
114 "%s spk:cs42l43-spk",
115 card->components);
116 if (!card->components)
117 return -ENOMEM;
118 }
119
120 ret = snd_soc_dapm_add_routes(&card->dapm, cs42l43_spk_map,
121 ARRAY_SIZE(cs42l43_spk_map));
122 if (ret)
123 dev_err(card->dev, "cs42l43 speaker map addition failed: %d\n", ret);
124
125 return ret;
126 }
127 EXPORT_SYMBOL_NS(asoc_sdw_cs42l43_spk_rtd_init, SND_SOC_SDW_UTILS);
128
129 int asoc_sdw_cs42l43_spk_init(struct snd_soc_card *card,
130 struct snd_soc_dai_link *dai_links,
131 struct asoc_sdw_codec_info *info,
132 bool playback)
133 {
134 /* Do init on playback link only. */
135 if (!playback)
136 return 0;
137
138 info->amp_num++;
139
140 return asoc_sdw_bridge_cs35l56_spk_init(card, dai_links, info, playback);
141 }
142 EXPORT_SYMBOL_NS(asoc_sdw_cs42l43_spk_init, SND_SOC_SDW_UTILS);
143
144 int asoc_sdw_cs42l43_dmic_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
145 {
146 struct snd_soc_card *card = rtd->card;
147 int ret;
148
149 card->components = devm_kasprintf(card->dev, GFP_KERNEL, "%s mic:cs42l43-dmic",
150 card->components);
151 if (!card->components)
152 return -ENOMEM;
153
154 ret = snd_soc_dapm_add_routes(&card->dapm, cs42l43_dmic_map,
155 ARRAY_SIZE(cs42l43_dmic_map));
156 if (ret)
157 dev_err(card->dev, "cs42l43 dmic map addition failed: %d\n", ret);
158
159 return ret;
160 }
161 EXPORT_SYMBOL_NS(asoc_sdw_cs42l43_dmic_rtd_init, SND_SOC_SDW_UTILS);
162
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